That can be tough in this day and age, when tablets, laptops, and gaming systems abound. Your child also needs to get enough exercise to ward off excess weight gain. Ganjian says eating at a restaurant or having fast food more than once a week and not eating fruits and vegetables can put you and your family at a greater risk for obesity. While you may rely on convenient fast foods, baked goods, vending machine snacks, sweets, and sugary drinks to feed your child, it’s important to keep in mind that these eating choices can result in unhealthy weight gain, according to Mayo Clinic.ĭr.